Gravity flow rack



FIG. 1 is a top, front, and right side perspective view of a gravity flow rack showing my new design;

FIG. 2 is a right side elevational view thereof, the left side being a mirror image of that shown;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom, rear, and left side perspective view thereof. 

The ornamental design for the gravity flow rack, as shown and described. 